@media screen and (max-width: 768px) {
  .t,
  .header {
    height: 77px !important;
  }
  .container .header .logo a img {
    width: 80px;
    height: 27px;
  }
  .t .container .header .btn {
    position: absolute;
    top: 30px;
    right: 5px;
  }
}

html,
body {
  position: relative;
  height: 100%;
}

body {
  background: #fff;
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #000;
  margin: 0;
  padding: 0;
}

img {
  width: 100%;
}
ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.t {
  background-color: #fff;
  height: 97px;
}
a {
  text-decoration: none;
  color: #666;
}
a:hover,
a:link {
  text-decoration: none;
  color: #666;
}
.header {
  position: relative;
  display: flex;
  align-items: flex-end;
  height: 87px;
  margin: 5px auto;
}
.logo {
  width: 140px;
  height: 47px;
}
.logo a {
  display: inline-block;
  width: 100%;
}
.logo a img {
  width: 100%;
}
.nav-top {
  display: flex;
  align-items: flex-end;
}
.nav-top li {
  float: left;
  font-size: 20px;
  padding: 10px;
  white-space: nowrap;
}
.nav-top li a {
  display: block;
  width: 100%;
  height: 100%;
  color: #333;
}
.row .nav-top li:hover {
  background-color: #ddde;
}
.row .nav-top li a:hover {
  text-decoration: none;
}
.row .nav-top li:nth-child(6) a {
  color: #00a49d;
}

.btn {
  position: absolute;
  top: 45px;
  right: 5px;
  width: 44px;
  height: 34px;
  color: #fff;
  background-color: #e1e1e1ee;
  outline: none;
}
.disN {
  display: none;
}
.xs-ul {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 100%;
  height: 285px;
  background-color: #343434;
  font-size: 16px;
  text-align: center;
  line-height: 41px;
}
.xs-ul li a {
  display: inline-block;
  width: 100%;
  color: #fff;
}
.xs-ul li:hover {
  background-color: #999;
}
.container .header .ipt {
  margin-bottom: 10px;
  text-align: right;
}
.container .header .ipt input {
  width: 169px;
  height: 27px;
  border: solid 1px #00a49d;
  outline: none;
  color: #666;
  padding: 0 5px;
}
.container .header .ipt button {
  width: 28px;
  height: 28px;
  border: solid 1px #00a49d;
  background-color: #00a49d;
  color: #fff;
  outline: none;
  margin: -1px 0 0 -4px;
  text-align: center;
}
.header span {
  position: absolute;
  top: 5px;
  font-size: 0.091146rem;
  right: 5px;
}
.header span a {
  color: #999;
}
.header span a:hover {
  color: #000;
}

/* banner */
.banner {
  width: 100%;
  margin: 0 0 50px 0;
  padding: 0;
}
/* nav  */
.nav-pr .column,
.contact-us {
  /* height: 286px; */
  border: 1px solid #ccc;
  margin-bottom: 20px;
  overflow: hidden;
}
.column ul,
.contact-us ul {
  padding: 10px 20px;
}
.nav-pr .column > div,
.contact-us > div {
  border-bottom: solid 1px #ccc;
  padding-left: 10px;
}
.nav-pr .column > div h2,
.contact-us > div h2 {
  display: inline-block;
  font-size: 26px;
  color: #00a49d;
}
.nav-pr .column > div span,
.contact-us > div span {
  font-size: 14px;
  color: #999;
}
.nav-pr .sj-img {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  /* height: 207px; */
  padding: 0 20px;
  margin: 10px 0;
}

.nav-pr ul li a {
  font-size: 16px;
  color: #555;
}
.nav-pr ul li a:hover {
  color: #00a49d;
}
.sho-ji {
  border: 1px solid #ccc;
  padding: 0;
}
.sho-ji .classify {
  border-bottom: 1px solid #ccc;
  height: 43px;
  line-height: 43px;
  padding-left: 30px;
}
.sho-ji .classify span {
  font-size: 16px;
  color: #222;
}
.sho-ji .classify span a:hover {
  text-decoration: underline;
  color: #00a49d;
}
.container .nav-pr .sj-img {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
}
/* service */
.service {
  padding: 30px 30px 60px 30px;
}

.service .tit {
  display: inline-block;
  font-size: 16px;
  color: #333;
  margin: 20px 0;
}

.service .disN1,
.disN2 {
  display: none;
  background-color: #fafafa;
  padding: 20px;
  margin-bottom: 20px;
}
.service h6 {
  font-size: 14px;
  margin-top: 20px;
  color: #555;
}
.service p {
  font-size: 12px;
  color: #555;
}
.icoN1,
.icoN2,
.icoN3,
.icoN4 {
  float: right;
  font-size: 20px;
  margin-right: 30px;
  cursor: pointer;
  margin-top: 10px;
  border: 1px solid #000;
  border-radius: 50%;
}

/* 底部 */
.bottom {
  width: 100%;
  height: 57px;
  line-height: 57px;
  text-align: center;
  font-size: 12px;
  background-color: #f5f5f5;
  color: #666;
  margin-top: 50px;
}
